/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.techshop.dao;

import com.techshop.model.Os;
import java.util.List;

/**
 *
 * @author Hai-PC
 */
public interface OsDao
{
    public Os getById(int osId);
    public List<Os> getAll();
    public boolean insert(Os os);
    public boolean update(Os os);
    public boolean delete(Os os);
}